NEW Surly Cogs Driver and Single Cog Surly Single Cassette Cog 3/32" Splined 21t type_chainrings-bmx-sprockets Front Wheel : Shimano TX505

Front Wheel : Shimano TX505 9 x 100 mm QR hub

Best used with road

Length: 7 ins

Profile Racing BMX Cassette Cogs

Compatible with all 10- and 9-speed Shimano hubs except for 13-16-tooth first position cog cassettes which are not compatible with DA FH-7800 hubs or WH-7800 wheels

NEW Surly Cogs Driver and Single Cog Surly Single Cassette Cog 3/32" Splined 21t type_chainrings-bmx-sprockets Front Wheel : Shimano TX505Surly Single Speed Cogs. Designed as a singlespeed cog, but may also be stacked and used with 9 speed shifter. Multi gear use will result in slower, less crisp shifting than cogs designed for multi gear systems Fit Shimano freehub splines SCM 415 hardened chromoly steel Photo for color and material reference only Tooth Count: 21 Cassette Body Type: Shimano 7 Speed Material: Steel Drivetrain Speeds: Single Speed 3 32"